2018 Audi S5 3.0 TFSI V6

Price: £20,490. Above the going rate: £2,130 (11%) over the AskCar estimate of £18,360, our expected asking price for this car from its model, age, mileage and specification, drawing on 361 priced Audi S5 adverts on AskCar as of 6 November 2026.

AskCar lists 371 used Audi S5 from 297 UK dealerships, as of 6 November 2026.

Overview

  • Make: Audi
  • Model: S5
  • Version: 3.0 TFSI V6 Auto 4WD Euro 6 (s/s) 2dr
  • Year: 2018
  • Mileage: 73,000 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 174 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 73,000 miles on the clock, this 2018 Audi S5 has done roughly 5,900 more miles than a typical 2018 Audi S5. The dealer is asking £20,490, which is £2,130 above the AskCar estimate of £18,360. To work out the AskCar estimate, we analyse UK dealer adverts for 361 Audi S5 cars across different ages and specifications. It first appeared in our advert records 87 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Cheshire Performance in Audenshaw. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,130 (11%) over the AskCar estimate of £18,360.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 361 priced Audi S5 adverts across different ages and specifications, as of 6 November 2026.

A 2018 Audi S5 with the 3.0 petrol engine is typically advertised at £20,200: the median of the 61 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 Audi S5 has been on sale for at least 87 days.

Price history

AskCar first saw this advert on 11 August 2026 at £20,490. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 16 March 2027.

It failed its MOT on 11 March 2026 (nearside front tyre has ply or cords exposed; offside front tyre has ply or cords exposed; nearside rear coil spring fractured or broken) and passed 6 days later, on 17 March 2026.

Advisories at the latest test: rear brake disc worn, but not excessively both sides.

Mileage at that test: 71,270 miles, which matches the advertised 73,000 miles.

Advertised mileage is about 5,900 miles higher than the median mileage of a 2018 Audi S5 on AskCar.

Browse all Audi S5 cars for sale · 2018 Audi S5 price guide

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Photos

43 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.